llvm-svn: 11519

instructions.  Add forms of these instructions that read from memory

llvm-svn: 11518

llvm-svn: 11517

llvm-svn: 11516

llvm-svn: 11515

llvm-svn: 11514

llvm-svn: 11511

llvm-svn: 11510

Add more special case handling for stdio functions.  I feel dirty, how about you?

llvm-svn: 11506

enjoyed by all, fixing a fixme.  Add an assert

llvm-svn: 11505

llvm-svn: 11503

llvm-svn: 11502

Move out of line member functions of MachineBasicBlock to
MachineBasicBlock.cpp.

llvm-svn: 11497

see the testcase for the reasoning.

llvm-svn: 11496

phi.ll:test4

llvm-svn: 11494

Regression/Transforms/InstCombine/xor.ll:test20

llvm-svn: 11492

llvm-svn: 11490

nightly tests to be really messed up.  The problem was that the new leakdetector
was depending on undefined behavior: the order of destruction of static objects.

llvm-svn: 11488

hacks can be banished.  Also, this gives us the opportunity to emit special code
for the setjmp/longjmps which alows the elimination of one GCC warning for every
setjmp/longjmp site (which is often THOUSANDS in C++ programs).  Yaay!

llvm-svn: 11484

llvm-svn: 11483

llvm.setjmp/llvm.longjmp intrinsics.

llvm-svn: 11482

prototypes, even if they don't precisely match what it would prefer to use.
This fixes: CBackend/2004-02-15-PreexistingExternals.llx compiling it into:

  ltmp_0_30 = memcpy(l14_C, 4u, 17);
  ltmp_1_30 = memcpy(((int *)l27_A), ((unsigned )(long)l27_B), ((int )123u));

instead of:

  ltmp_0_30 = memcpy(l14_C, 4u, 17);
  ltmp_1_27 = l43_memcpy(l27_A, l27_B, 123u);

Which does the wrong thing as you could imagine.

llvm-svn: 11481

analysis. It should only preserve them and update LiveVariables if it
already ran.

llvm-svn: 11479

Remove one of the operands of a two operand instruction

llvm-svn: 11478

MRegisterInfo::getNumRegs() instead of
MRegisterInfo::FirstVirtualRegister.

Also use MRegisterInfo::is{Physical,Virtual}Register where
appropriate.

llvm-svn: 11477

llvm-svn: 11476

llvm-svn: 11474

llvm-svn: 11473

should speed it up a bit on a lot of programs

llvm-svn: 11472

llvm-svn: 11471

initializers for constant structs and arrays take constant space, instead of
space proportinal to the number of elements.  This reduces the memory usage of
the LLVM compiler by hundreds of megabytes when compiling some nasty SPEC95
benchmarks.

llvm-svn: 11470

'Constant', instead of specific subclass pointers.  In the future, these will
return an instance of ConstantAggregateZero if all of the inputs are zeros.

llvm-svn: 11467

llvm-svn: 11466

llvm-svn: 11463

from 16.57 -> 13.46s on 129.compress.

llvm-svn: 11462

applications

llvm-svn: 11459

dereferencing it causes an assertion error.

llvm-svn: 11458

to the old saved EBP.

llvm-svn: 11455

clobber them by allocating other objects in the same space!

llvm-svn: 11454

that will be responsible for the creation of MachineFunctions and will
be required by all MachineFunctionPass passes.

llvm-svn: 11453